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Retrieval by Access bug?

Retrieval by Access bug?

Access to client/server database from multiple applications

Access to client/server database from multiple applications

Privacy Policy

For the purposes of this Privacy Policy: Account means a unique account created for You to access ... of Your browsing history on that website among its many uses. Device means any device that can access ... refers to ObjectDB Website, accessible from https://www.objectdb.com You means the individual

Retrieving JPA Entity Objects

the database and the persistent fields are initialized, lazily, when the entity object is first accessed ... accessed. The getReference method is useful when a reference to an entity object is required ... are accessed. On the other hand, the default fetch policy of persistent collection and map fields

JPA / JDO Class Enhancer

. There is one case, however, where enhancement is required. Non persistable classes that access directly (not ... (and actually required by JPA but not enforced by ObjectDB) to avoid accessing persistent fields ... this technique persistent fields may only be accessed directly from annotated persistable user classes

Database Server

these databases accessible to client applications in other processes including ones on other remote ... are: The ability to access and use databases from different processes simultaneously. The ability to access ... , if an ObjectDB database is accessed directly only by a web application, it should be embedded in

Database Explorer

objects in a visual debugger. Notice that the same database object may be accessed using different ... the Cache When a database is open in the Explorer in client server mode, it can be accessed simultaneously ... . Using Bookmarks To bookmark an entity object for easier future access - first select it in a viewer

[ODB1] Chapter 7 - JDOQL Queries

this is used for accessing fields of the candidate object, but it can also be used to reference a candidate ... expressions. Field accessing is not limited to the this reference. Persistent fields of any entity that represents a persistent object can be accessed. This includes fields of parameter objects

[ODB1] Chapter 5 - JDO Connections

your application JDO portable these objects are accessed through the standard JDO interfaces. Obtaining ... . To access a database file directly using embedded mode, specify either its absolute path or its relative ... client server mode should be used to access that database. To use embedded mode, an absolute path or

[ODB1] Chapter 1 - About ObjectDB

machine or on different machines) can safely access the database simultaneously, because the database ... ObjectDB as a class library, so no server process is needed in another JVM. The database file is accessed ... files to the classpath is the only requirement. Client-Server mode, however, is useful for accessing

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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